6.2 sec in total
725 ms
5.3 sec
114 ms
Click here to check amazing Wiki Helioviewer content for Brazil. Otherwise, check out these important facts you probably never knew about wiki.helioviewer.org
Helioviewer.org - Solar and heliospheric image visualization tool
Visit wiki.helioviewer.orgWe analyzed Wiki.helioviewer.org page load time and found that the first response time was 725 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
wiki.helioviewer.org performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value17.7 s
0/100
25%
Value9.2 s
13/100
10%
Value1,450 ms
15/100
30%
Value0
100/100
15%
Value18.0 s
3/100
10%
725 ms
112 ms
1138 ms
1750 ms
1412 ms
Our browser made a total of 18 requests to load all elements on the main page. We found that 94% of them (17 requests) were addressed to the original Wiki.helioviewer.org, 6% (1 request) were made to Licensebuttons.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Wiki.helioviewer.org.
Page size can be reduced by 73.5 kB (51%)
143.2 kB
69.8 kB
In fact, the total size of Wiki.helioviewer.org main page is 143.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 50.6 kB which makes up the majority of the site volume.
Potential reduce by 9.4 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 9.4 kB or 69% of the original size.
Potential reduce by 155 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Wiki Helioviewer images are well optimized though.
Potential reduce by 28.9 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 28.9 kB or 81% of the original size.
Potential reduce by 34.9 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Wiki.helioviewer.org needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 81% of the original size.
Number of requests can be reduced by 7 (41%)
17
10
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wiki Helioviewer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.
Main_Page
725 ms
shared.css
112 ms
main.css
1138 ms
index.php
1750 ms
index.php
1412 ms
index.php
1529 ms
wikibits.js
1142 ms
ajax.js
192 ms
index.php
558 ms
FF2Fixes.css
164 ms
headbg.jpg
83 ms
bullet.gif
83 ms
user.gif
78 ms
hvlogo1s_transparent.png
156 ms
poweredby_mediawiki_88x31.png
89 ms
commonPrint.css
71 ms
index.php
391 ms
88x31.png
242 ms
wiki.helioviewer.org accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
wiki.helioviewer.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
wiki.helioviewer.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wiki.helioviewer.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Wiki.helioviewer.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
wiki.helioviewer.org
Open Graph description is not detected on the main page of Wiki Helioviewer. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: